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Analog Switch Characteristics
Operating Characteristics
SN74LVC2G66
DUAL BILATERAL ANALOG SWITCH
SCES325J – JULY 2001 – REVISED FEBRUARY 2007
T
A
= 25°C
FROM TO
PARAMETER TEST CONDITIONS V
CC
TYP UNIT
(INPUT) (OUTPUT)
1.65 V 35
C
L
= 50 pF, R
L
= 600 Ω ,
2.3 V 120
f
in
= sine wave
3 V 175
(see Figure 6 )
4.5 V 195
Frequency response
A or B B or A MHz
(switch on)
1.65 V >300
C
L
= 5 pF, R
L
= 50 Ω ,
2.3 V >300
f
in
= sine wave
3 V >300
(see Figure 6 )
4.5 V >300
1.65 V –58
C
L
= 50 pF, R
L
= 600 Ω ,
2.3 V –58
f
in
= 1 MHz (sine wave)
3 V –58
(see Figure 7 )
4.5 V –58
Crosstalk
(1)
A or B B or A dB
(between switches)
1.65 V –42
C
L
= 5 pF, R
L
= 50 Ω ,
2.3 V –42
f
in
= 1 MHz (sine wave)
3 V –42
(see Figure 7 )
4.5 V –42
1.65 V 35
C
L
= 50 pF, R
L
= 600 Ω ,
2.3 V 50
Crosstalk
C A or B f
in
= 1 MHz (square wave) mV
(control input to signal output)
3 V 70
(see Figure 8 )
4.5 V 100
1.65 V –58
C
L
= 50 pF, R
L
= 600 Ω ,
2.3 V –58
f
in
= 1 MHz (sine wave)
3 V –58
(see Figure 9 )
4.5 V –58
Feedthrough attenuation
A or B B or A dB
(switch off)
1.65 V –42
C
L
= 5 pF, R
L
= 50 Ω ,
2.3 V –42
f
in
= 1 MHz (sine wave)
3 V –42
(see Figure 9 )
4.5 V –42
1.65 V 0.1
C
L
= 50 pF, R
L
= 10 k Ω ,
2.3 V 0.025
f
in
= 1 kHz (sine wave)
3 V 0.015
(see Figure 10 )
4.5 V 0.01
Sine-wave distortion A or B B or A %
1.65 V 0.15
C
L
= 50 pF, R
L
= 10 k Ω ,
2.3 V 0.025
f
in
= 10 kHz (sine wave)
3 V 0.015
(see Figure 10 )
4.5 V 0.01
(1) Adjust f
in
voltage to obtain 0 dBm at input.
T
A
= 25°C
V
CC
= 1.8 V V
CC
= 2.5 V V
CC
= 3.3 V V
CC
= 5 V
TEST
PARAMETER UNIT
CONDITIONS
TYP TYP TYP TYP
C
pd
Power dissipation capacitance f = 10 MHz 8 9 9.5 11 pF
5
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